Alterations to Ultima Sports body to design the Ultima Spyder
| Rear section: | |
| As Ultima Sports but heavily modified | |
| Front section: | |
| As Ultima Sports | |
| Centre section: | |
| Modified for removal of roof section | |
| Windscreen aperture modified | |
| Dashboard designed and moulded | |
| Rain channel modified | |
| Doors: | |
| Redesigned for vertical opening | |
| Hinge system designed and fitted | |
| Door locks and fixing reworked to suit | |
| Side pods: | |
| As Ultima Sports | |
| Windscreen: | |
| Wind deflector designed moulded in Perspex | |
| Side screens designed and moulded | |
| Toneau designed: |